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Thu, 22 Nov 2018 07:01:47 +0000 From: "Joyce Kong (Arm Technology China)" To: Jerin Jacob CC: "dev@dpdk.org" , "thomas@monjalon.net" , Honnappa Nagarahalli , "Gavin Hu (Arm Technology China)" , "stable@dpdk.org" Thread-Topic: [PATCH v2] config: enable more than 128 cores for Arm64 platform Thread-Index: AQHUgY44S/p5oFv81US4zxATx6mxIaVbJZKg Date: Thu, 22 Nov 2018 07:01:47 +0000 Message-ID: References: <1542798625-46722-1-git-send-email-joyce.kong@arm.com> <1542799632-47517-1-git-send-email-joyce.kong@arm.com> <20181121113422.GA31379@jerin> In-Reply-To: <20181121113422.GA31379@jerin> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Joyce.Kong@arm.com; x-originating-ip: [113.29.88.7] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; AM0PR08MB3522; 6:Tnl4rtJavGw0KTBd2x+2jBE0n0a9TXPYpTzqLcfXPN+9OgnkEmbx3ogv0mH66vdYklwKJa1Yy09e8NwRZNrmeK75EcYL1b5dccPDbKCApCEGyG014W/Qwf75oO8cQwtpHHLKEH/1pdpejAJY4iuj9kun4EIckSlgqb/0ToYX94kyyuFJRk1aLimkqU0UQRdqJ2lehDeZZziZwVH/AjLClccBbPR3ESBIy+rBeFZUYkAXdvQ8UEXQQLScgOHVoYhtQKIXjBuEf457awHA4vZ7TQI4qaoXhDduv1kvbiLtSLld+qPgO2ncf8MIlh+MCqb7uBFAQs8JY/geCJdNXwYcjfIK34B8KhueG/Artr+9qh+bc8cMjLZMbWakprAIHvJ8pWFZhqtJ0QGzqTFapPQK2S2etTMpLOoF0uQHWsG32RWTTyRMddoWqsjl/sNyqMQMv43absaqOKt8cD5VXa4osw==; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: b59395fd-d863-434b-2c9e-08d650485ebf X-MS-Exchange-CrossTenant-originalarrivaltime: 22 Nov 2018 07:01:47.6645 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB3522 Subject: Re: [dpdk-stable] [PATCH v2] config: enable more than 128 cores for Arm64 platform X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Nov 2018 07:01:49 -0000 > -----Original Message----- > From: Jerin Jacob > Sent: Wednesday, November 21, 2018 7:35 PM > To: Joyce Kong (Arm Technology China) > Cc: dev@dpdk.org; thomas@monjalon.net; Honnappa Nagarahalli > ; Gavin Hu (Arm Technology China) > ; stable@dpdk.org > Subject: Re: [PATCH v2] config: enable more than 128 cores for Arm64 > platform > > -----Original Message----- > > Date: Wed, 21 Nov 2018 19:27:12 +0800 > > From: Joyce Kong > > To: dev@dpdk.org > > CC: thomas@monjalon.net, jerin.jacob@caviumnetworks.com, > > Honnappa.Nagarahalli@arm.com, gavin.hu@arm.com, stable@dpdk.org > > Subject: [PATCH v2] config: enable more than 128 cores for Arm64 > > platform > > X-Mailer: git-send-email 2.7.4 > > > > > > When running dpdk applications on cores whose ids are bigger than > > original max_core setting, eal error as below: > > EAL: Detected 104 lcore(s) > > EAL: Detected 2 NUMA nodes > > EAL: invalid core list > > -l CORELIST core indexes between 0 and 128 > > > > The fix is to increase max_core to 256 on Arm64 platform. > > > > Fixes: b3ce00e5 ("mk: introduce ARMv8 architecture") > > Cc: stable@dpdk.org > > > > Signed-off-by: Joyce Kong > > Reviewed-by: Gavin Hu > > --- > > config/arm/meson.build | 2 +- > > config/defconfig_arm64-armv8a-linuxapp-gcc | 1 + > > 2 files changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/config/arm/meson.build b/config/arm/meson.build index > > b755138..020df09 100644 > > --- a/config/arm/meson.build > > +++ b/config/arm/meson.build > > @@ -51,7 +51,7 @@ flags_cavium =3D [ > > ['RTE_MACHINE', '"thunderx"'], > > ['RTE_CACHE_LINE_SIZE', 128], > > ['RTE_MAX_NUMA_NODES', 2], > > - ['RTE_MAX_LCORE', 96], > > + ['RTE_MAX_LCORE', 256], > > This change makes thunderx config to 256 cores not armv8. > For generic config, it needs to be under "flags_generic" > not under "flags_cavium". Just like you did for updating defconfig_arm64- > armv8a-linuxapp-gcc config instead of defconfig_arm64-thunderx-linuxapp- > gcc > Config to 256 cores for both flags_generic and flags_cavium in V3. For thunderx, it will do meson build according to flasg_cavium instead of f= lags_generic. And there is no inheritance relationship between the two flags. > > ['RTE_MAX_VFIO_GROUPS', 128], > > ['RTE_USE_C11_MEM_MODEL', false]] flags_dpaa =3D [ diff --git > > a/config/defconfig_arm64-armv8a-linuxapp-gcc > > b/config/defconfig_arm64-armv8a-linuxapp-gcc > > index 1842744..a6ed90c 100644 > > --- a/config/defconfig_arm64-armv8a-linuxapp-gcc > > +++ b/config/defconfig_arm64-armv8a-linuxapp-gcc > > @@ -6,3 +6,4 @@ > > > > CONFIG_RTE_TOOLCHAIN=3D"gcc" > > CONFIG_RTE_TOOLCHAIN_GCC=3Dy > > +CONFIG_RTE_MAX_LCORE=3D256 > > -- > > 2.7.4 > > IMPORTANT NOTICE: The contents of this email and any attachments are confid= ential and may also be privileged. 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